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| 1 | /* | ||
| 2 | * Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | /* | ||
| 27 | * @author Charlton Innovations, Inc. | ||
| 28 | */ | ||
| 29 | |||
| 30 | package sun.java2d.loops; | ||
| 31 | |||
| 32 | import java.util.Comparator; | ||
| 33 | import java.util.Arrays; | ||
| 34 | import sun.java2d.SunGraphics2D; | ||
| 35 | |||
| 36 | /** | ||
| 37 | * GraphicsComponentMgr provides services to | ||
| 38 | * 1. register primitives for later use | ||
| 39 | * 2. locate an instance of a primitve based on characteristics | ||
| 40 | */ | ||
| 41 | public final class GraphicsPrimitiveMgr { | ||
| 42 | |||
| 43 | private static final boolean debugTrace = false; | ||
| 44 | private static GraphicsPrimitive primitives[]; | ||
| 45 | private static GraphicsPrimitive generalPrimitives[]; | ||
| 46 | private static boolean needssort = true; | ||
| 47 | |||
| 48 | private static native void initIDs(Class GP, Class ST, Class CT, | ||
| 49 | Class SG2D, Class Color, Class AT, | ||
| 50 | Class XORComp, Class AlphaComp, | ||
| 51 | Class Path2D, Class Path2DFloat, | ||
| 52 | Class SHints); | ||
| 53 | private static native void registerNativeLoops(); | ||
| 54 | |||
| 55 | static { | ||
| 56 | initIDs(GraphicsPrimitive.class, | ||
| 57 | SurfaceType.class, | ||
| 58 | CompositeType.class, | ||
| 59 | SunGraphics2D.class, | ||
| 60 | java.awt.Color.class, | ||
| 61 | java.awt.geom.AffineTransform.class, | ||
| 62 | XORComposite.class, | ||
| 63 | java.awt.AlphaComposite.class, | ||
| 64 | java.awt.geom.Path2D.class, | ||
| 65 | java.awt.geom.Path2D.Float.class, | ||
| 66 | sun.awt.SunHints.class); | ||
| 67 | CustomComponent.register(); | ||
| 68 | GeneralRenderer.register(); | ||
| 69 | registerNativeLoops(); | ||
| 70 | } | ||
| 71 | |||
| 72 | private static class PrimitiveSpec { | ||
| 73 | public int uniqueID; | ||
| 74 | } | ||
| 75 | |||
| 76 | private static Comparator primSorter = new Comparator() { | ||
| 77 | public int compare(Object o1, Object o2) { | ||
| 78 | int id1 = ((GraphicsPrimitive) o1).getUniqueID(); | ||
| 79 | int id2 = ((GraphicsPrimitive) o2).getUniqueID(); | ||
| 80 | |||
| 81 | return (id1 == id2 ? 0 : (id1 < id2 ? -1 : 1)); | ||
| 82 | } | ||
| 83 | }; | ||
| 84 | |||
| 85 | private static Comparator primFinder = new Comparator() { | ||
| 86 | public int compare(Object o1, Object o2) { | ||
| 87 | int id1 = ((GraphicsPrimitive) o1).getUniqueID(); | ||
| 88 | int id2 = ((PrimitiveSpec) o2).uniqueID; | ||
| 89 | |||
| 90 | return (id1 == id2 ? 0 : (id1 < id2 ? -1 : 1)); | ||
| 91 | } | ||
| 92 | }; | ||
| 93 | |||
| 94 | /** | ||
| 95 | * Ensure that noone can instantiate this class. | ||
| 96 | */ | ||
| 97 | private GraphicsPrimitiveMgr() { | ||
| 98 | } | ||
| 99 | |||
| 100 | public synchronized static void register(GraphicsPrimitive[] newPrimitives) | ||
| 101 | { | ||
| 102 | GraphicsPrimitive[] devCollection = primitives; | ||
| 103 | int oldSize = 0; | ||
| 104 | int newSize = newPrimitives.length; | ||
| 105 | if (debugTrace) { | ||
| 106 | writeLog("Registering " + newSize + " primitives"); | ||
| 107 | for (int i = 0; i < newSize; i++) { | ||
| 108 | writeLog(newPrimitives[i].toString()); | ||
| 109 | } | ||
| 110 | } | ||
| 111 | if (devCollection != null) { | ||
| 112 | oldSize = devCollection.length; | ||
| 113 | } | ||
| 114 | GraphicsPrimitive[] temp = new GraphicsPrimitive[oldSize + newSize]; | ||
| 115 | if (devCollection != null) { | ||
| 116 | System.arraycopy(devCollection, 0, temp, 0, oldSize); | ||
| 117 | } | ||
| 118 | System.arraycopy(newPrimitives, 0, temp, oldSize, newSize); | ||
| 119 | needssort = true; | ||
| 120 | primitives = temp; | ||
| 121 | } | ||
| 122 | |||
| 123 | public synchronized static void registerGeneral(GraphicsPrimitive gen) { | ||
| 124 | if (generalPrimitives == null) { | ||
| 125 | generalPrimitives = new GraphicsPrimitive[] {gen}; | ||
| 126 | return; | ||
| 127 | } | ||
| 128 | int len = generalPrimitives.length; | ||
| 129 | GraphicsPrimitive[] newGen = new GraphicsPrimitive[len + 1]; | ||
| 130 | System.arraycopy(generalPrimitives, 0, newGen, 0, len); | ||
| 131 | newGen[len] = gen; | ||
| 132 | generalPrimitives = newGen; | ||
| 133 | } | ||
| 134 | |||
| 135 | public synchronized static GraphicsPrimitive locate(int primTypeID, | ||
| 136 | SurfaceType dsttype) | ||
| 137 | { | ||
| 138 | return locate(primTypeID, | ||
| 139 | SurfaceType.OpaqueColor, | ||
| 140 | CompositeType.Src, | ||
| 141 | dsttype); | ||
| 142 | } | ||
| 143 | |||
| 144 | public synchronized static GraphicsPrimitive locate(int primTypeID, | ||
| 145 | SurfaceType srctype, | ||
| 146 | CompositeType comptype, | ||
| 147 | SurfaceType dsttype) | ||
| 148 | { | ||
| 149 | /* | ||
| 150 | System.out.println("Looking for:"); | ||
| 151 | System.out.println(" method: "+signature); | ||
| 152 | System.out.println(" from: "+srctype); | ||
| 153 | System.out.println(" by: "+comptype); | ||
| 154 | System.out.println(" to: "+dsttype); | ||
| 155 | */ | ||
| 156 | GraphicsPrimitive prim = locatePrim(primTypeID, | ||
| 157 | srctype, comptype, dsttype); | ||
| 158 | |||
| 159 | if (prim == null) { | ||
| 160 | //System.out.println("Trying general loop"); | ||
| 161 | prim = locateGeneral(primTypeID); | ||
| 162 | if (prim != null) { | ||
| 163 | prim = prim.makePrimitive(srctype, comptype, dsttype); | ||
| 164 | if (prim != null && GraphicsPrimitive.traceflags != 0) { | ||
| 165 | prim = prim.traceWrap(); | ||
| 166 | } | ||
| 167 | } | ||
| 168 | } | ||
| 169 | return prim; | ||
| 170 | } | ||
| 171 | |||
| 172 | public synchronized static GraphicsPrimitive | ||
| 173 | locatePrim(int primTypeID, | ||
| 174 | SurfaceType srctype, | ||
| 175 | CompositeType comptype, | ||
| 176 | SurfaceType dsttype) | ||
| 177 | { | ||
| 178 | /* | ||
| 179 | System.out.println("Looking for:"); | ||
| 180 | System.out.println(" method: "+signature); | ||
| 181 | System.out.println(" from: "+srctype); | ||
| 182 | System.out.println(" by: "+comptype); | ||
| 183 | System.out.println(" to: "+dsttype); | ||
| 184 | */ | ||
| 185 | SurfaceType src, dst; | ||
| 186 | CompositeType cmp; | ||
| 187 | GraphicsPrimitive prim; | ||
| 188 | PrimitiveSpec spec = new PrimitiveSpec(); | ||
| 189 | |||
| 190 | for (dst = dsttype; dst != null; dst = dst.getSuperType()) { | ||
| 191 | for (src = srctype; src != null; src = src.getSuperType()) { | ||
| 192 | for (cmp = comptype; cmp != null; cmp = cmp.getSuperType()) { | ||
| 193 | /* | ||
| 194 | System.out.println("Trying:"); | ||
| 195 | System.out.println(" method: "+spec.methodSignature); | ||
| 196 | System.out.println(" from: "+spec.sourceType); | ||
| 197 | System.out.println(" by: "+spec.compType); | ||
| 198 | System.out.println(" to: "+spec.destType); | ||
| 199 | */ | ||
| 200 | |||
| 201 | spec.uniqueID = | ||
| 202 | GraphicsPrimitive.makeUniqueID(primTypeID, src, cmp, dst); | ||
| 203 | prim = locate(spec); | ||
| 204 | if (prim != null) { | ||
| 205 | //System.out.println("<GPMgr> Found: " + prim + " in " + i + " steps"); | ||
| 206 | return prim; | ||
| 207 | } | ||
| 208 | } | ||
| 209 | } | ||
| 210 | } | ||
| 211 | return null; | ||
| 212 | } | ||
| 213 | |||
| 214 | private static GraphicsPrimitive locateGeneral(int primTypeID) { | ||
| 215 | if (generalPrimitives == null) { | ||
| 216 | return null; | ||
| 217 | } | ||
| 218 | for (int i = 0; i < generalPrimitives.length; i++) { | ||
| 219 | GraphicsPrimitive prim = generalPrimitives[i]; | ||
| 220 | if (prim.getPrimTypeID() == primTypeID) { | ||
| 221 | return prim; | ||
| 222 | } | ||
| 223 | } | ||
| 224 | return null; | ||
| 225 | //throw new InternalError("No general handler registered for"+signature); | ||
| 226 | } | ||
| 227 | |||
| 228 | private static GraphicsPrimitive locate(PrimitiveSpec spec) { | ||
| 229 | if (needssort) { | ||
| 230 | if (GraphicsPrimitive.traceflags != 0) { | ||
| 231 | for (int i = 0; i < primitives.length; i++) { | ||
| 232 | primitives[i] = primitives[i].traceWrap(); | ||
| 233 | } | ||
| 234 | } | ||
| 235 | Arrays.sort(primitives, primSorter); | ||
| 236 | needssort = false; | ||
| 237 | } | ||
| 238 | GraphicsPrimitive[] devCollection = primitives; | ||
| 239 | if (devCollection == null) { | ||
| 240 | return null; | ||
| 241 | } | ||
| 242 | int index = Arrays.binarySearch(devCollection, spec, primFinder); | ||
| 243 | if (index >= 0) { | ||
| 244 | GraphicsPrimitive prim = devCollection[index]; | ||
| 245 | if (prim instanceof GraphicsPrimitiveProxy) { | ||
| 246 | prim = ((GraphicsPrimitiveProxy) prim).instantiate(); | ||
| 247 | devCollection[index] = prim; | ||
| 248 | if (debugTrace) { | ||
| 249 | writeLog("Instantiated graphics primitive " + prim); | ||
| 250 | } | ||
| 251 | } | ||
| 252 | if (debugTrace) { | ||
| 253 | writeLog("Lookup found[" + index + "]["+ prim + "]"); | ||
| 254 | } | ||
| 255 | return prim; | ||
| 256 | } | ||
| 257 | if (debugTrace) { | ||
| 258 | writeLog("Lookup found nothing for:"); | ||
| 259 | writeLog(" " + spec.uniqueID); | ||
| 260 | } | ||
| 261 | return null; | ||
| 262 | } | ||
| 263 | |||
| 264 | private static void writeLog(String str) { | ||
| 265 | if (debugTrace) { | ||
| 266 | System.err.println(str); | ||
| 267 | } | ||
| 268 | } | ||
| 269 | |||
| 270 | /** | ||
| 271 | * Test that all of the GraphicsPrimitiveProxy objects actually | ||
| 272 | * resolve to something. Throws a RuntimeException if anything | ||
| 273 | * is wrong, an has no effect if all is well. | ||
| 274 | */ | ||
| 275 | // This is only really meant to be called from GraphicsPrimitiveProxyTest | ||
| 276 | // in the regression tests directory, but it has to be here because | ||
| 277 | // it needs access to a private data structure. It is not very | ||
| 278 | // big, though. | ||
| 279 | public static void testPrimitiveInstantiation() { | ||
| 280 | testPrimitiveInstantiation(false); | ||
| 281 | } | ||
| 282 | |||
| 283 | public static void testPrimitiveInstantiation(boolean verbose) { | ||
| 284 | int resolved = 0; | ||
| 285 | int unresolved = 0; | ||
| 286 | GraphicsPrimitive[] prims = primitives; | ||
| 287 | for (int j = 0; j < prims.length; j++) { | ||
| 288 | GraphicsPrimitive p = prims[j]; | ||
| 289 | if (p instanceof GraphicsPrimitiveProxy) { | ||
| 290 | GraphicsPrimitive r = ((GraphicsPrimitiveProxy) p).instantiate(); | ||
| 291 | if (!r.getSignature().equals(p.getSignature()) || | ||
| 292 | r.getUniqueID() != p.getUniqueID()) { | ||
| 293 | System.out.println("r.getSignature == "+r.getSignature()); | ||
| 294 | System.out.println("r.getUniqueID == " + r.getUniqueID()); | ||
| 295 | System.out.println("p.getSignature == "+p.getSignature()); | ||
| 296 | System.out.println("p.getUniqueID == " + p.getUniqueID()); | ||
| 297 | throw new RuntimeException("Primitive " + p | ||
| 298 | + " returns wrong signature for " | ||
| 299 | + r.getClass()); | ||
| 300 | } | ||
| 301 | // instantiate checks that p.satisfiesSameAs(r) | ||
| 302 | unresolved++; | ||
| 303 | p = r; | ||
| 304 | if (verbose) { | ||
| 305 | System.out.println(p); | ||
| 306 | } | ||
| 307 | } else { | ||
| 308 | if (verbose) { | ||
| 309 | System.out.println(p + " (not proxied)."); | ||
| 310 | } | ||
| 311 | resolved++; | ||
| 312 | } | ||
| 313 | } | ||
| 314 | System.out.println(resolved+ | ||
| 315 | " graphics primitives were not proxied."); | ||
| 316 | System.out.println(unresolved+ | ||
| 317 | " proxied graphics primitives resolved correctly."); | ||
| 318 | System.out.println(resolved+unresolved+ | ||
| 319 | " total graphics primitives"); | ||
| 320 | } | ||
| 321 | |||
| 322 | public static void main(String argv[]) { | ||
| 323 | // REMIND: Should trigger loading of platform primitives somehow... | ||
| 324 | if (needssort) { | ||
| 325 | Arrays.sort(primitives, primSorter); | ||
| 326 | needssort = false; | ||
| 327 | } | ||
| 328 | testPrimitiveInstantiation(argv.length > 0); | ||
| 329 | } | ||
| 330 | } | ||